On Tue, Oct 7, 2014 at 9:57 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Michael Paquier <michael.paqu...@gmail.com> writes: > > Hm... I have tried changing the system locales (to en_US for example) and > > time format but I can still trigger the issue all the time. I'll try to > > have a closer look.. It looks like this test does not like some settings > at > > the OS level. > > I eventually realized that the critical difference was you'd added > "CFLAGS=" to the configure call. On this platform that has the net > effect of removing -O2 from the compiler flags, and apparently that > shifts around the stack layout enough to expose the clobber. >
At least my scripts are weird enough to trigger such behaviors. The funny part is that it's really a coincidence, CFLAGS was being set with an empty variable, variable removed in this script some time ago. The fix is simple enough: ecpg's version of ParseDateTime is failing > to check for overrun of the field[] array until *after* it's already > clobbered the stack: > Kind of astonishing that nobody else has reported this, given that > there's been a regression test specifically meant to catch such a > problem since 4318dae. The stack layout in PGTYPESdate_from_asc > must happen to avoid the issue on practically all platforms. > Yes, thanks. That's it. At least I am not going crazy. Regards, -- Michael